Reply by teejk

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Posted on Electrical problem, or tool failure?

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1215 posts in 2652 days

#1 posted 10-23-2012 05:53 PM

that voltage drop on the DC is troubling…In my mind voltage should only drop with distance, not load (called “line loss” in the utility world). To drop to 80V would suggest wiring.

No aluminum in the house? (you are probably wrong there since it is used a lot if the panels/fixtures are built to handle it…e.g. my shop sub panel is wired from the house with aluminum as is the wire feeding the panel from the meter).

Just a guess but do you really have 12ga wire in the garage? No electrician I know would use 12ga wire and only put it on a 15a breaker (it would be allowed under code I think…rule used to be that one wire size higher (never lower) than the breaker was ok but why??? breaker size and cost are the same).

If your house was one of those development houses built from 1975-1995, I’d guess that you had a single outlet in the garage running 14ga wire and not on a GFI circuit…that’s what they did back then…saved them probably $100 or so to make workable space but they didn’t care…they were done and gone.

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